(USA and Canada only)
AC7A and AC7B
115 VAC ± 10 VAC @ 50-60 Hz
220 VAC ± 20 VAC @ 50-60 Hz
0.1 amps @ 115 VAC
5 watts (dissipation)
0 °C to 70 °C
0 to 95% Humidity (non-condensing)
4,000 V between RS-232 and RS-422/485
25-pin, DB-25 female connector
Screw terminals or 9-pin, DB-9 female connector
Up to 38,400 baud; 115.2KBd in Rev. L (AC7A)
and later and in Rev. C (AC7B) and later.
Up to 50 feet
Up to 5,000 feet at 38,400 baud (3,000 feet at 115,200 baud)
RS-422/485 full duplex over two twisted pairs and a ground.
Additional twisted pairs for RTS and CTS.
Also supports RS-485 2-wire mode. This requires user to
build a custom RS-232 cable.
Transmit, receive, RTS, CTS, and power
The AC7A/B is a stand-alone adapter card that converts RS-232 serial communication to RS-422/485 serial communication, which is directly compatible with the Optomux family of intelligent brain boards.
This document gives instructions for installing the AC7A/B adapter card in an Optomux network in 4-wire RS-422/485 mode with a PC and how to communicate with equipment other Optomux.
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with the rules, regulations and standards of the United Kingdom. The models cited have been tested to the essential requirements listed in the Standards section, and fully comply with the legislation as listed in UK Legislation section.
This document is the Manufacturer's Declaration of Conformity for the products listed herein, in accordance with European, international, and/or national standards and regulations.
This document is a statement of compliance with the EU Directive 2015/863/EU, Restriction of Hazardous Substances (RoHS 3). This document lists Opto 22 products that comply with the substance restrictions of the RoHS 3 directive.
This document is the Manufacturer's Declaration for the listed products as mentioned in the attachment - to which this confirmation refers - that they are in accordance with the mentioned European, international and/or national standards and regulations.